Do this in your project folder at command prompt.
rails generate scaffold User2 email:string encrypted_password:string
reset_password_token:string reset_password_sent_at:datetime
remember_created_at:datetime sign_in_count:integer
current_sign_in_at:datetime last_sign_in_at:datetime
current_sign_in_ip:string last_sign_in_ip:string confirmation_token:string
confirmed_at:datetime confirmation_sent_at:datetime
unconfirmed_email:string failed_attempts:integer unlock_token:string
locked_at:datetime name:string role:references --no-migration
### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# add new lines of text after patrn...
filetarg='app/models/user2.rb'
r1tmp="/tmp/_temprubyrunner_${USER}.rb"
cat << 'HEREDOC' > $r1tmp
repl2 = %Q{
self.table_name = 'users'
}
ARGF.each do |line|
puts line
puts repl2 if line =~ /ApplicationRecord/
end
HEREDOC
ruby $r1tmp $filetarg > $filetarg.tmp
cp $filetarg.tmp $filetarg; rm $filetarg.tmp
### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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